Core Release Notes
Last updated: Feb 11, 2026
- Feb 10, 2026
- Date parsed from source:Feb 10, 2026
- First seen by Releasebot:Feb 11, 2026
.NET 11.0 Preview 1
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Original source Report a problem - Feb 10, 2026
- Date parsed from source:Feb 10, 2026
- First seen by Releasebot:Feb 5, 2026
- Modified by Releasebot:Feb 11, 2026
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- Feb 10, 2026
- Date parsed from source:Feb 10, 2026
- First seen by Releasebot:Feb 5, 2026
- Modified by Releasebot:Feb 11, 2026
.NET 9.0.13
Release Notes
Install Instructions
Repos
- Aspnetcore
- EF Core
- Runtime
- SDK
- SDK
- Templating
- Templating
- Winforms
- WindowsDesktop
- WPF
What's Changed
Original source Report a problem - Jan 13, 2026
- Date parsed from source:Jan 13, 2026
- First seen by Releasebot:Feb 5, 2026
.NET 8.0.23
Release Notes
Install Instructions
Repos
- Aspnetcore
- EF Core
- Installer
- Installer
- Runtime
- SDK
- SDK
- Templating
- Templating
- Winforms
- WindowsDesktop
- WPF
- Dec 9, 2025
- Date parsed from source:Dec 9, 2025
- First seen by Releasebot:Feb 5, 2026
10.0.1
.NET 10 lands with RC to GA progress, OS and platform support updates, and security group refreshes. The changelog covers known issues, Debian Fedora macOS tweaks, and new contributors, signaling a broad product-release wave.
Release
What's Changed
- 9.0 Known Issue for MSBuild failure in 9.0.307 by @rainersigwald in #10159
- Moved .NET 10 OS support entry from preview to supported by @siramvikram in #10161
- API Diff .NET 10.0 RC2 -> 10.0 GA by @PranavSenthilnathan in #10148
- Add HeroDevs to .NET Security Group Members List by @sirredbeard in #10165
- dotnet 9.0.308 SDK only updates by @victorisr in #10166
- Add macOS 14 back for .NET 10 by @richlander in #10167
- Add support for Fedora 43 by @richlander in #10168
- Document Debian 13 TAR header warnings in .NET 10.0 known issues by @Copilot in #10171
- Fix issue link in release notes for version 8.0.22 by @mairaw in #10173
- Remove outdated note and added support period for .NET 10 by @mairaw in #10172
- API Diff .NET 10.0 RC1 -> RC2 by @jozkee in #10138
- Fix markdown link for SDK version 8.0.21 by @PranavSenthilnathan in #10180
- API Diff .NET 9.0 -> 10.0 by @PranavSenthilnathan in #10147
- Correct name to 'SUSE Linux Enterprise' by @am11 in #10176
- Disable JSON_PRETTIER validation in super-linter by @Copilot in #10186
- Linux Support and Package Updates by @richlander in #10183
- Editorial pass over the dotnet.config file removal by @baronfel in #10170
- Artifacts for .NET December Servicing Release by @rbhanda in #10187
New Contributors
- @siramvikram made their first contribution in #10161
- @PranavSenthilnathan made their first contribution in #10148
- @sirredbeard made their first contribution in #10165
Full Changelog: v10.0.0...v10.0.1
Original source Report a problem - Nov 11, 2025
- Date parsed from source:Nov 11, 2025
- First seen by Releasebot:Feb 5, 2026
.NET 10.0 GA
.NET release notes unveil the .NET 10 RC 2 update across components with known issue notes, OS support tweaks, and EOL date updates. The full changelog includes APIDiff improvements, packaging changes, and new contributors as we roll toward v10.0.0 RC.
Release Notes
Install Instructions
Repos
- dotnet
What's Changed
- Update known issues for startup regression by @JulieLeeMSFT in #10114
- Add release notes for .NET 10 RC 2 across various components by @jongalloway in #10112
- Update NET 9.0 EOL Date by @Varorbc in #10123
- Update SDK runtime version to 8.0.21 by @victorisr in #10128
- [10.0] System Path known issue by @joeloff in #10134
- Update tool name from 'toolsay' to 'dotnetsay' by @jongalloway in #10133
- Updated Supported OSes by @richlander in #10137
- Update .NET TaskHost docs with some more caveats by @baronfel in #10127
- Add .NET 10 Known Configuration Issue by @tarekgh in #10146
- ApiDiff.ps: allow exact versions, allow arbitrary feeds, and use az cli for auth if needed by @jozkee in #10139
- Document macOS PKG installer createdump executable bit regression by @Copilot in #10149
New Contributors
- @JulieLeeMSFT made their first contribution in #10114
- @jozkee made their first contribution in #10139
Full Changelog: v10.0.0-rc.2...v10.0.0
Original source Report a problem - Nov 11, 2025
- Date parsed from source:Nov 11, 2025
- First seen by Releasebot:Feb 5, 2026
.NET 9.0.11
New release notes cover fixes and updates across .NET 9/10 RCs and runtime, including startup regression fixes, OS support updates, and improved docs. It also notes a tool name change to dotnetsay and contributes to the full changelog from v9.0.10 to v9.0.11.
Release Notes
Install Instructions
Repos
Aspnetcore
EF Core
Runtime
SDK
SDK
Templating
Templating
Winforms
WindowsDesktop
WPF
What's Changed
- Update known issues for startup regression by @JulieLeeMSFT in #10114
- Add release notes for .NET 10 RC 2 across various components by @jongalloway in #10112
- Update NET 9.0 EOL Date by @Varorbc in #10123
- Update SDK runtime version to 8.0.21 by @victorisr in #10128
- [10.0] System Path known issue by @joeloff in #10134
- Update tool name from 'toolsay' to 'dotnetsay' by @jongalloway in #10133
- Updated Supported OSes by @richlander in #10137
- Update .NET TaskHost docs with some more caveats by @baronfel in #10127
- Add .NET 10 Known Configuration Issue by @tarekgh in #10146
- ApiDiff.ps: allow exact versions, allow arbitrary feeds, and use az cli for auth if needed by @jozkee in #10139
- Document macOS PKG installer createdump executable bit regression by @Copilot in #10149
New Contributors
- @JulieLeeMSFT made their first contribution in #10114
- @jozkee made their first contribution in #10139
Full Changelog: v9.0.10...v9.0.11
Original source Report a problem - Nov 11, 2025
- Date parsed from source:Nov 11, 2025
- First seen by Releasebot:Feb 5, 2026
.NET 8.0.22
New .NET release notes cover v8.0.21 to v8.0.22 with SDK/runtime bumps, known issues, and docs tweaks. Highlights include startup regression fixes, installation updates, OS support changes, and new contributors.
Release Notes
Install Instructions
Repos
- Aspnetcore
- EF Core
- Installer
- Installer
- Installer
- Runtime
- SDK
- SDK
- SDK
- Templating
- Templating
- Templating
- Winforms
- WindowsDesktop
- WPF
What's Changed
- Update known issues for startup regression by @JulieLeeMSFT in #10114
- Add release notes for .NET 10 RC 2 across various components by @jongalloway in #10112
- Update NET 9.0 EOL Date by @Varorbc in #10123
- Update SDK runtime version to 8.0.21 by @victorisr in #10128
- [10.0] System Path known issue by @joeloff in #10134
- Update tool name from 'toolsay' to 'dotnetsay' by @jongalloway in #10133
- Updated Supported OSes by @richlander in #10137
- Update .NET TaskHost docs with some more caveats by @baronfel in #10127
- Add .NET 10 Known Configuration Issue by @tarekgh in #10146
- ApiDiff.ps: allow exact versions, allow arbitrary feeds, and use az cli for auth if needed by @jozkee in #10139
- Document macOS PKG installer createdump executable bit regression by @Copilot in #10149
New Contributors
- @JulieLeeMSFT made their first contribution in #10114
- @jozkee made their first contribution in #10139
Full Changelog: v8.0.21...v8.0.22
Original source Report a problem - Oct 14, 2025
- Date parsed from source:Oct 14, 2025
- First seen by Releasebot:Feb 5, 2026
.NET 10.0 RC 2
New release notes announce the shift from preview to go-live and a wave of updates across .NET 10.x RCs, runtime, SDK, and language packs. It also covers changelog progress from RC1 to RC2, EOL dates for .NET 9, and security group info.
Release Notes
Install Instructions
Repos
- dotnet
- What's Changed
- Change support phase from 'preview' to 'go-live' by @mairaw in #10080
- Fixed Fsharp Package version error by @victorisr in #10079
- Update latest runtime and SDK versions for 10.0 RC 1 in releases index by @victorisr in #10083
- Visual Basic Version Update RC 1 by @victorisr in #10084
- Add dotnet.config to known RC1 issues by @Youssef1313 in #10073
- fix hashes by @ondrejsmid in #10086
- Fix macOS RID in SDK release notes for 10.0-preview.7 by @martincostello in #10085
- Update release notes URL for version 10.0.0-rc.1 by @rbhanda in #10087
- Change EOL date for .NET 9 by @mairaw in #10105
- Update EOL date for .NET 9 in README.md by @xtqqczze in #10108
- Add security group information by @richlander in #10118
- dotnet Patch Tuesday 10-14 Release note updates for 8.0, 9.0 & 10.0 RC2 by @victorisr in #10117
- Update releases.json by @rbhanda in #10121
- Fix linter errors by @richlander in #10119
- Full Changelog: v10.0.0-rc.1...v10.0.0-rc.2
- Oct 14, 2025
- Date parsed from source:Oct 14, 2025
- First seen by Releasebot:Feb 5, 2026
.NET 9.0.10
Release notes announce go-live updates across runtime, SDKs, and tooling from RCs to stable. It covers RC1 bumps, EOL shifts, and security notes for ASP.NET Core, EF Core, WinForms, WPF, and VB. Includes full changelog v8.0.20–v9.0.10.
Release Notes
Install Instructions
Repos
- Aspnetcore
- EF Core
- Runtime
- SDK
- SDK
- Templating
- Templating
- Winforms
- WindowsDesktop
- WPF
What's Changed
- Change support phase from 'preview' to 'go-live' by @mairaw in #10080
- Fixed Fsharp Package version error by @victorisr in #10079
- Update latest runtime and SDK versions for 10.0 RC 1 in releases index by @victorisr in #10083
- Visual Basic Version Update RC 1 by @victorisr in #10084
- Add dotnet.config to known RC1 issues by @Youssef1313 in #10073
- fix hashes by @ondrejsmid in #10086
- Fix macOS RID in SDK release notes for 10.0-preview.7 by @martincostello in #10085
- Update release notes URL for version 10.0.0-rc.1 by @rbhanda in #10087
- Change EOL date for .NET 9 by @mairaw in #10105
- Update EOL date for .NET 9 in README.md by @xtqqczze in #10108
- Add security group information by @richlander in #10118
- dotnet Patch Tuesday 10-14 Release note updates for 8.0, 9.0 & 10.0 RC2 by @victorisr in #10117
- Update releases.json by @rbhanda in #10121
- Fix linter errors by @richlander in #10119
Full Changelog: v8.0.20...v9.0.10
Original source Report a problem